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	<head>
		<meta charset="utf-8" />
		<title>UC浏览器</title>
		<style>
			*{
				padding: 0;
				margin: 0;
			}
			img{
				vertical-align: bottom;
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				display: table;
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				clear: both;
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			.bd{
				border: 1px solid red;
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			.w{
				width: 986px;
				margin: 0 auto;
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			header{
				position: fixed;
				z-index: 100;/* 设置盒子的显示优先级，从0开始值越大越靠前 */
				background-color: white;
				width: 100%;
			}
			.logo{
				padding-top: 15px;
				padding-bottom: 12px;
			}
			.navigation{
				padding-right: 20px;
				padding-top: 5px;
				position: relative;
			}
			.navigation>li{
				padding: 0 10px;
				margin-left: 32px;
			}
			.navigation a{
				display: block;
				color: #000000;
				font-size: 20px;
				line-height: 62px;
			}
			.navigation>li:hover{
				border-bottom: 3px solid red;
			}
			.current{
				border-bottom: 3px solid red;
			}
			.subnav{
				display: none;
				position: absolute;
				top: 70px;
				left: 110px;
			}
			.subnav a{
				display: block;
				width: 90px;
				font-size: 16px;
				text-align: center;
				line-height: 60px;
			}
			.navigation li:hover .subnav{ /* 一级导航的li标签悬停的时候二级导航出现*/
				display: block;
				background-color: white;
			}
			.subnav li:hover{
				background-color: #ff9c00;
			}
			.main{
				padding-top: 70px;
			}
			.banner{
				height: 400px;
				background: #191919 url(../images/banner.jpg);
			}
			.icons{
				border-bottom: 1px solid gray;
				height: 145px;
			}
			.icon{
				width: 138px;
				padding-top: 58px;
				background: url(../images/icon.png) no-repeat 49px 21px;
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			.icon a{
				display: block;
				font-size: 11px;
				line-height: 82px;
				text-align: center;
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				background-position: -89px 21px;
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				position: relative;
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				content: "";
				width: 23px;
				height: 11px;
				background: url(../images/icon.png) -140px -280px;
				position: absolute;
				top: 15px;
				left: 83px;
			}
			.icon:nth-child(4){
				background-position: -366px 21px;
				position: relative;
			}
			.icon:nth-child(4)::before{
				content: "";
				width: 23px;
				height: 11px;
				background: url(../images/icon.png) -140px -280px;
				position: absolute;
				top: 15px;
				left: 83px;
			}
			.icon:nth-child(5){
				background-position: -504px 21px;
			}
			.icon:nth-child(6){
				background-position: -644px 21px;
			}
			.icon:hover{
				background-position: 49px -99px;
			}
			.icons .w{
				position: relative;		/* 父级盒相对定位 */
			}
			.twcode{
				width: 128px;
				background: url(../images/twocode.png) no-repeat;
				line-height: 71px;
				font-size: 11px;
				padding-top: 106px;
				text-align: center;
				position: absolute;		/* 子级盒绝对定位 */
				top: -32px;
				right: -4px;
			}
			.news{
				padding-bottom: 42px;
			}
			.new{
				width: 290px;
			}
			.title{
				padding-right: 20px;
			}
			.title h4{
				
			}
			.title a{
				font-size: 12px;
				position: relative;
				line-height: 58px;
			}
			.title a::before{
				content: "";
				border: 2px solid black;
				width: 5px;
				height: 5px;
				border-left: 2px solid transparent;
				border-bottom: 2px solid transparent;
				transform: rotate(45deg);
				position: absolute;
				top: 25px;
				left: 28px;
			}
			.pic1{
				padding-top: 120px;
				background:#F0F8FF url(../images/activity_pic.jpg) no-repeat;
			}
			.pic1 a{
				display: block;
				font-size: 12px;
				line-height: 34px;
				text-align: center;
			}
			.pic2{
				padding-top: 120px;
				background:#F0F8FF url(../images/news_pic.jpg) no-repeat;
			}
			.pic2 a{
				display: block;
				font-size: 12px;
				line-height: 34px;
				text-align: center;
			}
			.pic3{
				padding-top: 120px;
				background:#F0F8FF url(../images/community_pic.jpg) no-repeat;
			}
			.pic3 a{
				display: block;
				font-size: 12px;
				line-height: 34px;
				text-align: center;
			}
			h4{
				padding-top: 17px;
			}
			.new:nth-child(2){
				margin-left: 55px;
				margin-right: 55px;
			}
			.new ul{
				margin-top: 17px;
			}
			.new ul li{
				margin-top: 14px;
			}
			.new ul li a{
				display: block;
				font-size: 13px;
				color: #000000;
			}
			.foot{
				background-color: #333333;
				color: lightgrey;
				font-size: 12px;
				padding-top: 51px;
				padding-bottom: 25px;
			}
			.f_title{
				margin-left: 110px;
				
			}
			.fl li{
				margin-top: 8px;
				text-decoration: none;
			}
			.fl li a{
				color: lightgrey;
			}
			.choice{
				width: 138px;
				background: #333333;
				color: lightgrey;
				font-size: 13px;
				padding: 4px 0 5px 35px;
				margin-left: 103px;
			}
			.img{
				width: 30px;
				height: 75px;
				margin-left: 102px;
				margin-top: 18px;
				background: url(../images/icon.png)no-repeat 10px  -320px;
			}
			.img:hover{
				width: 20px;
				margin-left: 112px;
				background: url(../images/icon.png)no-repeat -25px  -320px;
			}
			.text{
				margin: 10px 0 0 15px;	
			}
			.bottom_text{
				margin-top: 115px;
				height: 37px;
				padding: 15px 10px 0 0;
				border-top: 1px dotted floralwhite;
				border-bottom: 1px dotted floralwhite;
			}
			.a_text{
				font-size: 11px;
				margin-left: 10px;
				padding-right: 8px;
				border-right: 2px solid dimgrey;
			}
			.a_text a{
				color: darkgrey;
			}
			.bottom_text div:nth-child(14){
				border-right: 2px solid transparent;
			}
			.company{
				margin-top: 31px;
			}
			.company_text{
				width: 395px;
				height: 49px;
				margin-top: 24px;
				margin-left: 16px;
				font-size: 11px;
			}
			.company_icon{
				margin-top: 26px;
				margin-left: 88px;
			}
			.qa_wen{
				margin-left: 14px;
			}
		</style>
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